Wang Yao sacrifices everything for her boyfriend, only to be betrayed. After the betrayal, she moves in with her best friend, Fang Tong, who has a happy marriage. Witnessing Fang Tong’s happiness, Wang Yao begins to feel jealous and secretly confesses her feelings to Fang Tong's husband, Xu Xingzhe. As a result, Fang Tong is betrayed by her best friend. After enduring various emotional wounds and betrayals, Fang Tong decides to take revenge. In the end, Wang Yao regrets her actions when she falls seriously ill.